Directory Opus (or "DOpus" as its users tend to call it) is a file manager program, originally written for the

Amiga Amiga is a family of personal computers introduced by Commodore in 1985. The original model is one of a number of mid-1980s computers with 16- or 32-bit processors, 256 KB or more of RAM, mouse-based GUIs, and significantly improved graphi ...

computer system in the early to mid-1990s. Commercial development on the version for the Amiga ceased in 1997. Directory Opus is still being actively developed and sold for the

Microsoft Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...

operating system by GPSoftware and there are open source releases of Directory Opus 4 and 5 for Amiga. Directory Opus was originally developed by, and is still written by, Australian Jonathan Potter. Until 1994, it was published by well-known Amiga software company Inovatronics, when Potter joined with Greg Perry and the Australian-based GPSoftware to continue its development, and has since been published by GPSoftware.

Features

Directory Opus has evolved since its first release in 1990 as a basic two-panel file manager. The interface has evolved significantly due to feedback given by its users. Some of the features include: *Single or dual-panel exploring. *Folder tree (either shared or separate for dual-display). *Tabbed explorer panels. *Ability to maintain date created/modified timestamps for both files and folders. *Internal handling of ZIP,

RAR RAR or Rar may refer to: * Radio acoustic ranging, a non-visual technique for determining a ship's position at sea * "rar", the ISO 639-2 code for the Cook Islands Māori language * RAR (file format), a proprietary compressed archive file format in ...

7Zip 7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. 7-Zip has its own archive format called 7 ...

and other archive formats (browse them like folders). *Internal

FTP The File Transfer Protocol (FTP) is a standard communication protocol used for the transfer of computer files from a server to a client on a computer network. FTP is built on a client–server model architecture using separate control and data ...

handling, including (for a small extra fee) advanced

and

SSH The Secure Shell Protocol (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. Its most notable applications are remote login and command-line execution. SSH applications are based on a ...

(browse these like folders also). *Internal MTP handling for portable devices like phones and cameras. *Flat-file display, where you can flatten a folder tree and even hide the folders themselves. *Powerful file selection and renaming tools, with advanced

regex A regular expression (shortened as regex or regexp; sometimes referred to as rational expression) is a sequence of characters that specifies a search pattern in text. Usually such patterns are used by string-searching algorithms for "find" or ...

. *User-definable toolbars, menus, filetypes and filetype groups. *Preview panel, with preview of thumbnails (including animated

avi Avi is a given name, usually masculine, often a diminutive of Avram, Avraham, etc. It is sometimes feminine and a diminutive of the Hebrew spelling of Abigail. People with the given name include: * Avi (born 1937), Newbery award-winning Americ ...

thumbnails). *File collections. These are like virtual folders that contain links to the original files (unlike shortcuts, these actually deal with the files directly).

History

Release history

Amiga release history

*Opus 1: January 1990 *Opus 2: February 1991 *Opus 3: 1991-12-01 *Opus 4: 1992-12-04 *Opus 5: 1995-04-12 *Opus 5.5: 1996-08-01 *Opus Magellan (5.6): 1997-05-17 *Opus Magellan II (5.8): 1998-11-01 *Opus Magellan II GPL (5.90): 2014-05-11 Versions 1 and 2 were only available direct from the author. Versions 3 and 4 were published by Inovatronics. Versions since 5 have been published by GPSoftware (German versions were published by Stefan Ossowskis Schatztruhe). The full version of Magellan II is included for free with AmiKit package.

Windows major release history

*Opus 6: 2001-06-18 *Opus 8: 2004-10-04 *Opus 9: 2007-04-27 *Opus 10: 2011-04-30 *Opus 11: 2014-03-03 *Opus 12: 2016-09-05 All Windows versions published by GPSoftware. (German versions published by Haage & Partner Computer GmbH.)

Open source release history

*GPSoftware released the older Amiga Directory Opus 4

source code In computing, source code, or simply code, is any collection of code, with or without comments, written using a human-readable programming language, usually as plain text. The source code of a program is specially designed to facilitate the wo ...

in 2000 as

open-source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...

under the

GNU General Public License The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the Four Freedoms (Free software), four freedoms to run, study, share, and modify the software. The license was th ...

AmigaOS4 AmigaOS 4 (abbreviated as OS4 or AOS4) is a line of Amiga operating systems which runs on PowerPC microprocessors. It is mainly based on AmigaOS 3.1 source code developed by Commodore International, Commodore, and partially on version 3.9 develop ...

AROS Aros may refer to: *Aros (Middle-earth), a river in J. R. R. Tolkien's Middle-earth legendarium * Aros, Mull, the location of Aros Castle, a ruined 13th-century castle on the Isle of Mull, Scotland *AROS Research Operating System, a free software i ...

and

MorphOS MorphOS is an AmigaOS-like computer operating system (OS). It is a mixed Proprietary software, proprietary and Open-source software, open source OS produced for the Pegasos PowerPC (PPC) processor based computer, PowerUP accelerator equipped Amig ...

ports of this version were made available. Magellan II was released as open source under the

AROS Public License The AROS Public License (APL) is software license which is primarily used for distribution of the AROS Research Operating System software project. Version 1.1 is based on the text of Mozilla Public License 1.1 with some definitions added and Net ...

in December 2012. The open source 'Worker' file manager is heavily inspired by the Directory Opus 4 series.

References

External links

*
Directory Opus 4 Research Project

Opus Resource Centre Forum

* * {{File managers Orthodox file managers Amiga software Utilities for Windows